#7864976

order	512
nilpotency class	2
automorphism	?
homology	Abelianization (H₁) = C₂⁶ · Schur multiplier (H₂) = C₂¹²

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, commutator, Frattini, socle, cosocle	C₂³	C₂⁶
prime radical	#2456	C₂²
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ G
LECS	G ▷ C₂³ ▷ C₁

4368 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 6 generators on 40 points:

(1,2,5,4)(3,7,8,6)(9,10,15,12)(11,13,18,16)(14,17,23,20)(19,21,24,22)(25,26)(27,31)(28,36)(29,34)(30,32)(33,38)(35,40)(37,39);(1,3,5,8)(2,6,4,7)(9,11,15,18)(10,16,12,13)(14,19,23,24)(17,22,20,21)(25,27,30,29)(26,31,32,34)(28,35,38,37)(33,39,36,40);(1,2,5,4)(3,6,8,7)(10,12)(11,18)(17,20)(19,24)(26,32)(31,34)(33,36)(39,40);(1,2,5,4)(3,6,8,7)(9,12,15,10)(11,13,18,16)(14,20,23,17)(19,21,24,22)(25,26)(27,31)(28,33)(29,34)(30,32)(35,39)(36,38)(37,40);(9,13)(10,11)(12,18)(14,22)(15,16)(17,24)(19,20)(21,23)(25,28)(26,33)(27,35)(29,37)(30,38)(31,39)(32,36)(34,40);(1,4,5,2)(3,7,8,6)(9,14)(10,17)(11,19)(12,20)(13,21)(15,23)(16,22)(18,24)(25,29,30,27)(26,34,32,31)(28,37,38,35)(33,40,36,39)

Polycyclic presentation:

2^9|a^2=g,b^2=ghi,c^2=gi,d^2=g,f^2=gh,b^a=bg,c^a=ch,e^a=eh,c^b=ci,d^c=dh,f^e=fi

Conjugacy classes & character table

101 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7772172);